Livestock marking chalk holder



FIG. 1 is a perspective view of a livestock marking chalk holder showing my new design;

FIG. 2 is a side elevational view thereof, all other sides being identical to the side shown;

FIG. 3 is a front elevational view thereof; and,

FIG. 4 is a rear elevational view thereof. 

The ornamental design for a livestock marking chalk holder, as shown and described. 